Vapor-burner.



B. APPEL R s. s. GOLDMAN.

VAPOR BURNER.

APPLICATION FILED AUG. 11. 1910.

Patented June 13, 1911.

Tran sTATas PATENT ormoni.

BENJAMIN APPEL AND SAMUEL S. GOLDMAN, OF ST. LOUIS, MISSOURI.

VAPOR-BURNER.

Specification of Letters Patent.

Patented June 13, 1911.

Application filed August 11, 1910. Serial No. 576,739

To all whom 'it may concern:

Be it known that we, BENJAMIN APPEL and SAMUEL S. GOLDMAN, citizens ofthe United States, residing at the city of St; Louis, State of Missouri,have jointly invented a certain new and useful Vapor- Burner, of whichthe following is a specification, reference being had to theaccompanying drawings, forming a part hereof, in which- Figure 1 is aperspective view of a stove embodying our new burner; Fig. 2 is avertical sectional view, somewhat enlarged, on the line 2 2, Fig. 1;Fig. 3 is a horizontal sectional View, also somewhat enlarged, on theline 3 3, Fig. 2; Fig. 4 is a sectional View on the line 4 4, Fig. 2;and Fig. 5 is an elevational view of the fluid-supply cans and of asmall portion of thersupply-pipes leading therefrom.

This invention relates to certain new and useful improvements invapor-burners.

We have discovered, briefly stated, that the vapors or gases obtained byvaporizing crude-oil or other hydro-carbon and a suitable mixture orfluid having combustible elements or ingredients, when properlycombined, mixed, or intermingled together and with air and ignited, willproduce an intensely h ot, practically odorless and smokeless flame.

The objects of our present invention are to provide a burner which issimple in construction, which may be manufactured at comparatively cheapcost, and which is especially adapted for use in connection with, or forcarrying into practical and successful operation, our said discovery orprocess briefly above stated.

With these objects in View, our invention resides in the novelconstruction of the sev eral parts of our burner and in the novelarrangement and combination of the same, all as will hereinafter bedescribed and afterward pointed out in the claims.

In the drawings, wherein like reference numerals refer to like partsthroughout the several views, 1 indicates a stove of any ordinary orapproved construction, having a fire-box 2, an oven 3, and a flue orchimney 4. Arranged in said lire-box 2 is what might be called thecasing 5 of the burner. This casing 5 comprises a portion 6 adapted tofit in the forward end of said lire-box 2 and having a front wall 7, atop wall 8, a rear wall 9, and side walls 10, said front Wall 7 beingpreferably a short distance forwardly from the front of said stove 1,see particularly Figs. 2 and 3; a bottom pan 11 having upturned sideportions or flanges 12, the bottom of said pan forming substantially thebottom of casing 5, being integral with or otherwise suitably connectedto said front wall 7 and side walls 10 and resting, near its forwardend, on the frame or front of said stove and at its rear end preferablyon an angle-bracket 13 secured to the rear of said stove; and a warmingor coil-temperatureraising pan 14 also having upturned side portions orflanges 15, the bottom of said pan forming substantially a rearwardextension of said rear wall 9, being integral with or otherwise suitablyconnected thereto. At its rear end, pan 14 is preferably supported bymeans of a suitable bracket 16 resting on or secured to said pan 11. 17indicates what might be called the air-feeding and vapormixing-chamberof the burner. This chamber or portion 17 is preferably an openendedtubular member, somewhat elliptical in end elevation, and is supportedin proper position by said portion 6 of casing 5, see

particularly Figs. 2 and 3, said chamber eX- tending through saidcasing-portion 6 and preferably some distance rearwardly beyond saidrear wall 9 thereof and over said pan 14, as shown. This chamber orportion 17, where the vapor-supply pipes, hereinafter described, leadthereinto is preferably somewhat reduced in diameter, as at 18, andflares, or the diameter thereof is gradually increased, both outwardlyand inwardly from said point of reduced diameter, as shown particularlyin Fig. 2, the dischargeend 19 of said chamber or portion 17 beingpreferablyof slightly greater diameter than the air-inlet-end 20thereof. Arranged at any suitable point'above, as on a shelf 21 formingpart of said stove 1, are suitable receptacles or cans 22 and 23, can 22being, say, for t-he crude-oil or other hydro-carbon and can 23 being,say, for the mixture or fluid having combustible elements oringredients. Each of said cans is provided with a suitable faucet 24,and leading, respectively, from said cans to'said chamber or portion 17are pipes 25 and 25. Pipes 25 and 25 are substantially similar inconstruction and comprise, respectively, vertically-disposed portions 26and 26', portions27 and 27 suitably supported, as by brackets 28, on theside of said stove 1 and inclining downwardly from Y the rear to thefront of said stove, portions 29 and 29 leading into said portion 6 ofcasing 5, and coiled or bent portions or vaporization chambers 30 and 30leading into opposite sides of said chamber or portion 17 at a pointbetween the air-inlet end 20 and said discharge-end 19 thereof andpreferably at said point 18 of reduced diameter thereof. Saidvertically-disposed portions 26 and 26, at their upper ends, preferablysurround the outlet-ends of said faucets 211 and are each preferablyprovided with a bulging portion 26a cut away, as at 26h, whereby theflow of iuid from said cans may be readily seen. Said portion 29 of pipe25 inclines slightly downwardly from said portion 27 and extends fromsaid portion 27 into and through said portion 6 of casing 5 above saidchamber or portion Y17 to a point preferably slightly therebeyond. Saidportion 30 extends from said portion 29 through said rear wall 9 ofportion 6 of casing 5 to a point near the rear end of said fire-box 2,where it is then bent, as at 30a, to extend across said fire-box, andthen again bent, as at 30h, to extend forwardly through said fire-box tosaid point 18 of chamber 17 said portion 30 being of graduallyincreasing diameter, for purposes hereinafter appearing, from saidportion 29 to said chamber 17 and having a gradual downward incline fromsaid portion 29 to said chamber 17. Said portion 29 of pipe 25 likewiseinclines slightly downwardly from said portion 27 and extends from saidport-ion 27 into and through said portion 6 of casing 5 to a point closeto said chamber 17 and said portion 30, which is similar to said portion30 and similarly bent or coiled in said fire-box 2 over said warming-pan14, leads from said portion 29 to said chamber 17, entering said chamber17 at said point 18 of reduced diameter and preferably directly oppositethe dischargeend of said portion 30.

For the fluid hereinbefore referred to having combustible elements oringredients, we have heretofore used, and prefer to use, a mixturecomprising water, alcohol, camphor, and rosin, in the proportionsapproximately of one-quarter pint alcohol, one ounce camphor, and oneounce rosin to a gallon of water. These proportions, however, may bevaried, as required, under varying conditions and size of burner. Forthe hydrocarbon, we have heretofore used, and prefer to use, as beforestated, crude-oil. It is to be understood, however, that otherhydrocarbons and other iuids or mixtures might be used equally well withour burner.

In operation, the said cans 22 and 23 being supplied, respectively, withthe hydrocarbon, preferably crude-oil, and the fluid or mixture havingcombustible elements or ingredients, preferably the mixture stated, thevaporization-chambers or portions and 30 are rst raised to vaporizingteniperature. This may be accomplished in several ways, but we prefer todo so by first turning faucet 24 of can 22 and allowing the crude-oil toflow in a fine stream from said can 22 through said pipe 25 and chamberor portion 17 into said warming-pan, where it is ignited, this burningoil gradually raising said vaporization-chambers or coiled or bentportions 30 and 30 and the discharge or vapor-mixingportion 19 ofchamber 17 to vaporizing temperat-ure. When the said portions 30 and 30and theA discharge or vapor-mixing portion 19 of said chamber 17 havethus been raised to the required temperature, the said fluid or mixtureis also allowed to flow from said can 23 through said pipe 25 to saidchamber 17; but, now, as said oil and iiuid pass through said coiledportions 30 and 30, respectively, the same will be vaporized, and thevapors or gases therefrom on entering the chamber 17 will mix orintermingle together and with the air c supplied by or entering throughair-inlet end 20 of said chamber and burn in an intensely hot,practically odorless and smokeless flame, this iiame spreading over thefirebox 2 and oven 3 and under the top of said stove and around saidbent or coiled portions 30 and 30, maintaining said portions at therequired vaporizing temperature. The said pipes 25 and 25 beingdownwardly inclined throughout their length as described, the oil andfluid will not settle in and clog up said pipes, whereby a constantgravity flow of oil and fluid is obtained-and a steady iame or firesecured. By gradually increasing the diameter of said portions 30 Y and30, as before stated, the oil and fluid, on being vaporized, arepermitted freely to expand, whereby, on entering said chamber 17, thesaid vapors or gases more readily and quickly intermingle and mixtogether and i with the air, which latter said chamber is especiallyadapted to plentifully supply or feed through its openinlet-end 20,substantially perfect combustion and an intensely hot,' vitalized flame4being obtained. We c have found that said portions 30 and 30 .can beraised to proper vaporizing temperature in a very short Vtime and a hotfire quickly started; and, as will be obvious, when the flow of oil andfluid is stopped, the re will U quickly and automatically, so to speak,burn itself out. K Y

Our burner is comparatively simple in construct-ion, and is positive,reliable, and

economic in operation, the cost of maintep nance thereof being at aminimum.

A door 31 may be slidably or otherwise arranged in said portion 6 ofcasing 5 through which access may be had into said casing whenevernecessary.

lVhile we have herein shown and described our burner in connection witha stove, yet it is to be understood that our burner is equally Welladapted for use in connection With boilers, furnaces, and otheranalogous purposes, and that minor changes in the arrangement,construction, and com bination of the several parts of our burner mightbe made and substituted for those herein shown and described Withoutdeparting from the nature and principle of our invention.

Having thus described our invention, what We claim and desire to secureby Letters Patent is:

l. A burner comprising an open-ended tubular air-feeding andvapor-mixing chamber reduced in diameter at a point between its ends,and supply-pipes having coiled fluidvaporizing portions of graduallyincreasing diameter leading into said chamber on op-A posite sidesthereof at said point of reduced diameter, said coiled portionsextending above and beyond the discharge-end of said chamber;substantially as described.

2. A burner comprising a casing provided with a Warming-pan, anair-feeding and vapor-mixing chamber provided With an airinlet-openingand an open discharge-end supported in said casing above said pan, andsupply-pipes having coiled fluid vaporizing portions leading into saidchamber between said air-inlet opening and said dischargeend, saidcoiled portions of said pipes being above said pan and extending beyondsaid discharge end of said chamber; substantially as described.

3. A burner comprising a casing provided with a Warming-pan, anair-feeding and vapor-mixing chamber provided With an airinlet openingand an open discharge-end supported in said casing above said pan, andsupply-pipes having coiled fluid-vaporizing portions of graduallyincreasing diameter above said pan leading into said chamber on oppositesides thereof and between said airinlet opening and said discharge-end;substantially as described.

t. A burner comprising a casing provided with a warming-pan, a tubularair-feeding and vapor-mixing chamber provided With an air-inlet openingand an open discharge-end supported in said casing above said pan, andsupply-pipes having coiled fluid-vaporizing portions of graduallyincreasing diameter above said pan and extending beyond thedischarge-end of said chamber leading into said chamber on oppositesides thereof and between said air-inlet opening and said discharge-end;substantially as described.

5. A burner comprising a casing provided with a warming-pan, anopen-ended tubular air-feeding and vapor-mixing chamber supported insaid casing above said pan, said chamber being reduced in diameter at apoint between its opposite open ends, and supplypipes having coiledfluid-vaporizing portions of gradually increasing diameter above saidpan and extending beyond the discharge-end of said chamber leading intosaid chamber on opposite sides thereof at said point of reduceddiameter; substantially as described.

In testimony whereof, We have signed our names to this specication, inthe presence of t-Wo subscribing Witnesses.

BENJAMIN APPEL.

SAMUEL S. GOLDMAN. Witnesses:

HUGO V. BURGARD, CAROLINE L. VEBER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. C.

